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 Form 2 Chemistry Sample Revision Questions With Answers

State with reasons whether the changes below are physical or chemical.
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 (2m 2s)
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Answer Text:
i).Type of change
Physical
Reason
Change to gas then back to solid
ii).Type of change
Chemical
Reason
New substance formed
iii).Type of change
Physical
Reason
Color changes to yellow then back to white


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